00377nam a2200145 a 450000500170000010000170001724500410003426000290007530000090010469000150011396400160012899700180014499900170016295200520017920251203091320.0  aNewman,A.C.D  aChemistry of Clays and Clay Minerals  aLongman Scientificc1987  a480p  aChemeistry  bcdefg_  a31831 LIBSC C  c37829d37829  00104070aPUbPUd2000-04-24l0o p31831yBK